disproportionation

Disproportionation of alumina in preparation process of low-valence Al compounds in vacuum

三氧化二铝在低价化合物法制备铝过程中的歧化行为研究

The application of soft sensor and advanced process control technology in aromatics disproportionation unit is introduced.

介绍了芳烃歧化装置应用软测量和先进控制技术的情况.

An analysis of the status of the aromatics production is given and a comparison of the economic benefit between traditional disproportionation process and selective is made in the paper. A project of building the traditional toluene disproportionation and transalkylation plant is proposed.

分析了燕化公司芳烃系统生产现状，对比了传统歧化工艺和选择性歧化工艺的经济效益，提出了以传统歧化工艺建设甲苯歧化和烷基转移装置的方案。

The influences of temperature, WHSV and C 10 aromatics content in the feedstock on the catalytic properties of the β zeolite based HAT 097B catalyst in toluene disproportionation and C 9 aromatics transalkylation reactions were investigated.

研究了以β沸石为主体的HAT097B催化剂在催化甲苯和C9芳烃歧化与烷基转移反应中，反应空速、温度及原料中C10芳烃含量对反应性能的影响。

It is pointed out that we should put emphasis on the disproportionation technology for producing light olefin, especially propylene and hexene from C_4 fraction in view of the domestic conditions.

指出我国解决碳四馏分出路的重要途径就是采用歧化技术生产低碳烯烃，尤其是丙烯、己烯，以进一步提高企业经济效益。

The experimental results of disproportionation of propylene on WO_3-SiO_2 catalyst to form ethylene and butylenes were reported.

报道了在wo3-SiO2催化剂上丙烯歧化制乙烯和丁烯的试验结果。

The results showed that the cross-linked clay had better catalytic activity to the disproportionation of 1,2, 4-trimethylbenzene.

结果表明:交联黏土催化剂对1,2, 4- 三甲苯歧化反应具有较好的催化活性.

To preparation of CNFs with well defined structures, a proper reduction of the catalyst is very important. ( 5) The reaction scheme of CO disproportionation on iron catalyst is studied by using BOC and transition state theory.

适宜的还原条件对可控结构CNFs的合成具有重要作用。（5）通过BOC理论和过渡态理论计算，研究了Fe催化CO歧化制备CNFs的反应历程。

This reaction involves disproportionation of the aldehyde.

这个反应就是醛的歧化作用.

Under the low temperature, the drive force of disproportionation reaction of Nd_2Fe_ ( 14) B phase is very strong and decreases with the improvement of the temperature.

在低温条件下，Nd2Fe14B化合物的歧化反应具有较大的驱动力，随温度的升高而降低。

Nano-Ni was first used as catalyst for disproportionation of resin acid.

将 纳米 镍催化剂首次应用于树脂酸的歧化反应中.

Furthermore, charge disproportionation of Co3+;

另外，还有以下几种因素共同起作用：Co~（3+）离子的电荷歧化；

In toluene disproportionation, the catalytic activity is effected by the acidity and crystal size of catalyst.

对于甲苯歧化反应,其受催化剂的酸性质、晶粒大小等因素综合影响.